intersection. The direction of travel is then confirmed by another arrow located 30 meters further in the new direction. 6C3. In all hazardous situations, two or three arrows placed upside down must be located 30 meters before any obstacle on a circuit. A hazard on the circuit may be an obstacle, quality of the surface, or angle of the track, or any other condition not specifically addressed. 6C4. Directional arrows should always be placed on the right and at racing eye level, about three feet from the ground. 6C5. The course should also be marked every half-mile or 1 kilometer with signs indicating kilometers yet to be raced. There may be a sign indicating 1 kilometer to go. 6C6. The signs that are to be used on a mountain bike circuit are shown below:
Straight ahead
Slower, very Dangerous
Slow, danger
Course turns Right
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Slower, danger
Course turns Left